Table 3.

Electrical conductivity (EC), pH, cations, and anions of irrigation water and soil used in the pot experiments.

	EC	pH	Cations (mmol L−1)				Anions (mmol L−1)
	dS m−1		Ca2+	Mg2+	Na+	K+	HCO3−	CO32−	SO42−	Cl−
Water:
Tapwater	0.23	7.35	0.50	0.25	2.40	0.20	0.10	0.00	0.65	2.70
Seawater	51.2	7.76	21.60	7.56	454.57	1.51	6.05	0.00	38.18	432.00
Soil:
Sandy	0.14	8.11	1.15	1.10	1.31	0.24	1.13	0.00	2.11	0.70